Rehabilitation type force buckle brushing notes d3

catalogue Small diary written in front Code part Question 1576 Question 26 Question 27 Question 5 java small knowledge part Question 1576 Question 27 Question 5 Small diary written in front Changed the c-plane and power supply for the notebook. Finally, it can support me to press the n key smoothly and use the computer without plug ...

Added by joshblue on Thu, 06 Jan 2022 13:38:12 +0200

University student status management system_ Course design of introduction to database system

The following contents are for reference only. If there are errors, please correct them. Design requirements Realize the management of student information, classes, departments and majors; Realize the management of course and student achievement information; Realize the information management of students' rewards and punishments; Create ...

Added by conquest on Wed, 29 Dec 2021 03:02:19 +0200

JS basics day12

Addition, deletion and modification of DOM: Add innerHTML + = appendChild() insertBefore() Delete} innerHTML = 'remove() removeChild() Modify replaceChild() Query: Know node - line breaks, text, comments, labels are all node lists Tag: HTMLCollection Array array Array 2} Arguments Array 3 # NodeList Array 4} HTMLCollection Each of ...

Added by mainewoods on Sun, 26 Dec 2021 15:55:30 +0200

Reflection --- the soul of frame design

1, What is reflection? ① Frame: it is a semi-finished product! Benefits: improve our development efficiency and make our code more concise ② Reflection: when allowed, the process of extracting members from a class into other classes is called reflection II. Method of obtaining reflection Class ① Obtained by the full path string of the cla ...

Added by stiduck on Sat, 25 Dec 2021 21:44:44 +0200

CSP-J 2021 problem solving Report

Review the preliminaries well. I pressed the line Fooling around with the cover 1. Divide candy Generally speaking, T1 is not too difficult. In fact, it is not very difficult I was so stupid that I didn't think of it until half an hour later Cough, look at the data range of 10 ^ 9109, it's not done with violence. If there are n children ...

Added by Kaizard on Sat, 18 Dec 2021 05:53:34 +0200

Chapter 6 function

1. General Code snippets that are well organized and realize a single function or related linkage Programs that do not use functions} programs that use functions Clear structure and simplified code Advantages of functional programming: (1) Modularization of the program not only reduces redundant code, but also makes the program structure ...

Added by ironman on Thu, 16 Dec 2021 15:00:11 +0200

Oracle, PL/SQL storage

  catalogue Create a process to raise 100 yuan for the designated employee. And output the wages before and after the rise. Query the name and salary of the specified employee, and use the out mode parameter value to pass it to the caller. Call by binding variables in the command window, and the related steps Create a stored procedure, que ...

Added by jfeather on Thu, 16 Dec 2021 14:07:08 +0200

Aop [aspect oriented programming]

1 what is aop aop is a technology to realize the unified maintenance of program functions through precompiled mode and runtime dynamic agent. aop, also known as aspect oriented programming, is the continuation of oop. It is not only a hot spot in software development, but also an important content in spring framework. It is a derivative generi ...

Added by haku87 on Sun, 12 Dec 2021 13:27:15 +0200

Generic reflection annotation

1. Generics 1.1 generic definitions       Pass the data type of a class / interface / method / variable to the class / interface / method / variable like using parameters.       Parameterization and arbitrariness of data types. 1.2 why do you need generics?       ...

Added by rekha on Tue, 07 Dec 2021 00:37:48 +0200

LINQ to SQL and IQueryable

Famous sayings and phrases "The easiest way to understand IQueryable is to think of it as a query that will produce a sequence of results when executed." - Jon Skeet What is the difference between LINQ to Object and LINQ to SQL? LINQ to SQL converts query expressions into SQL statements and executes them in the database. Instead of ...

Added by larryg on Fri, 01 Oct 2021 20:26:43 +0300